knock about. (Colloq.) wander [about], [saunter], [stroll].
knock down. fell, [floor], prostrate.
knockknee, n. inknee.
knock under. [yield], [submit], [give in].
knoll, n. [hillock], mound.
knop, n. See knob.
knot, n. [entanglement], [snarl], [intricacy], [complication]; [cluster], [group], [band], [bevy], [gang], [company]; [joint], node, knag, burl, gnarl, [knob], nodule, nodosity; [tuft], [bunch].
knot, v. [entangle], [tie], [snarl]. Antonyms: disentangle, [unravel], untie.
knotted, a. knurled, knaggy, gnarled, gnarly; snarled, entangled, interwoven.
knotty, a. [knotted], gnarled, [crossgrained]; [intricate], [difficult], [complicated].